The Blind Jack Nut is an economical blind fastener designed for assembly lind use in THIN, SOFT or BRITTLE materials. When tightened, their body collapses to form legs which grip the inside of the mounting surface, leaving a permanent reusable threaded insert.

The Blind Jack Nut is an economical blind fastener designed for assembly lind use in THIN, SOFT or BRITTLE materials. When tightened, their body collapses to form legs which grip the inside of the mounting surface, leaving a permanent reusable threaded insert.